Seven Reverse Y #1 is a private irrigation dam located in Weld County, Colorado, along Willow Creek. Built in 1965, this Earth dam stands at a height of 29 feet and spans 630 feet in length, with a storage capacity of 273 acre-feet. The dam serves multiple purposes, including irrigation, fire protection, stock maintenance, and flood risk reduction, making it a crucial water resource infrastructure in the region.

Managed by the Department of Water Resources (DWR) in Colorado, Seven Reverse Y #1 has a low hazard potential and is assessed to be in fair condition as of the last inspection in May 2009. With a spillway width of 352 feet and a maximum discharge capacity of 10,690 cubic feet per second, the dam plays a vital role in managing water flow and ensuring water security in the area. Climate enthusiasts and water resource experts will find this dam an essential piece of infrastructure contributing to sustainable water management practices in the region.

As a part of the Omaha District, Seven Reverse Y #1 is subject to state regulation, inspection, and enforcement to ensure its safety and functionality. With its moderate risk assessment rating, the dam is monitored regularly to mitigate any potential hazards and maintain its operational efficiency. For those passionate about water resource management and climate resilience, Seven Reverse Y #1 represents a critical piece of infrastructure supporting agricultural activities and water sustainability in Weld County, Colorado.